论文标题

从最大质量紧凑型星观测中估计可压缩性

Estimating Compressibility from Maximal-mass Compact Star Observations

论文作者

Barnaföldi, Gergely Gábor, Pósfay, Péter, Szigeti, Balázs E., Jakovác, Antal

论文摘要

我们研究了PSR J0740 $+$ 6620,PSR J0348 $+$ 0432和PSR J1614 $ - $ 2230的PSR J0740 $+$ 6620的PULSAR质量的最新观察数据。我们假设这些脉冲星是最大的质量紧凑型恒星,这表明可以应用核心近似。使用该模型建议的中子星的显微镜和宏观参数之间的线性关系,我们估计了Nucleon Landau质量和核可压缩性的值$ M_ {l} = 776.0^{+38.5} _ {+38.5} _ { - 84.9} $ 〜Mev and $ 〜mev and $ 〜mev and $ 〜mev and $ 〜mev = 242.7.7^28.27.27.2.2 = 242.7^57^+57^+57. 分别。

We investigated recent observation data of pulsar masses of PSR J0740$+$6620, PSR J0348$+$0432, and PSR J1614$-$2230 based on the extended $σ$-$ω$ model. We assumed that these pulsars are maximal mass compact star, which suggest that the core approximation can be applied. Using the linear relations between the microscopic and macroscopic parameters of neutron stars suggested by this model, we estimated the values of the nucleon Landau mass and nuclear compressibility $m_{L} = 776.0^{+38.5}_{-84.9}$~MeV and $K=242.7^{+57.2 }_{-28.0}$, respectively.

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